Central Evoked Brain Potentials as Overall Control of Afferent Systems

  • B. Bromm


The spontaneous electroencephalogram (EEG) is widely accepted to reflect states of consciousness; it is therefore increasingly used as a noninvasive tool to determine the depth of narcosis under general anesthesia. However, even the most sophisticated analytical methods are not able to differentiate cognitive states in spontaneous EEG. Especially in context with the issues covered in this book, no correlates have been found which are specific for pain; even under severest pain attacks at most some nonspecific dechronizations are visible, such as decreasing alpha and increasing beta activity, the well-known signs of states of mental stress, but nothing relevant for pain.


Late Potential Stimulus Quality Delta Power Afferent System Laser Stimulus 
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© Springer-Verlag Berlin Heidelberg 1986

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  • B. Bromm

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